636006820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{3911}}^1$

素因数の和:4140

約数の個数: 48

約数和(自身を含む): 1372267008

約数和(自身を除く): 736260188

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 173, 188, 235, 346, 470, 692, 865, 940, 1730, 3460, 3911, 7822, 8131, 15644, 16262, 19555, 32524, 39110, 40655, 78220, 81310, 162620, 183817, 367634, 676603, 735268, 919085, 1353206, 1838170, 2706412, 3383015, 3676340, 6766030, 13532060, 31800341, 63600682, 127201364, 159001705, 318003410, 636006820]

約数ペア:

[(1, 636006820), (2, 318003410), (4, 159001705), (5, 127201364), (10, 63600682), (20, 31800341), (47, 13532060), (94, 6766030), (173, 3676340), (188, 3383015), (235, 2706412), (346, 1838170), (470, 1353206), (692, 919085), (865, 735268), (940, 676603), (1730, 367634), (3460, 183817), (3911, 162620), (7822, 81310), (8131, 78220), (15644, 40655), (16262, 39110), (19555, 32524)]